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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3339

Question 1

'Normal Flora' refers to microorganisms that:

Always cause disease
Inhabit the body without causing disease under normal conditions✔️
Are only found in plants
Are killed by the sun

Correct Answer Logic:

Normal flora (Microbiota) can actually help protect the host from pathogens.

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Nursing QUESTION #9175

Question 2

A community health nurse calculates the Crude Birth Rate (CBR) of a district. The correct formula is:
\\text{CBR} = ?

\\frac{\\text{Number of live births}}{\\text{Mid-year population}} \\times 1000✔️
\\frac{\\text{Number of live births}}{\\text{Number of women aged 15-49}} \\times 1000
\\frac{\\text{Total deaths}}{\\text{Mid-year population}} \\times 1000
\\frac{\\text{Number of live births}}{\\text{Total births including stillbirths}} \\times 1000

Correct Answer Logic:

The Crude Birth Rate (CBR) is calculated as:

\\text{CBR} = \\frac{\\text{Number of live births in a year}}{\\text{Mid-year total population}} \\times 1000

It is expressed per 1,000 population. Pakistan's CBR is approximately 26–28 per 1,000 population.

Comparison with other fertility measures:

General Fertility Rate (GFR) uses women aged 15–49 as denominator
Total Fertility Rate (TFR) is the average number of children a woman would have in her lifetime
Option 3 is the formula for Crude Death Rate (CDR)

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Nursing QUESTION #9205

Question 3

A Charge Nurse is using the PICO framework for an evidence-based practice question. What does each letter represent?

Patient, Intervention, Comparison, Outcome✔️
Problem, Intervention, Context, Objective
Population, Inquiry, Concept, Observation
Patient, Indicator, Control, Output

Correct Answer Logic:

Correct Answer: A

The PICO framework is the standard format for formulating clinical research questions in evidence-based practice:

Letter	Component	Example
P	Patient / Population / Problem	Adult ICU patients with ventilator-associated pneumonia
I	Intervention	Oral chlorhexidine care every 4 hours
C	Comparison	Standard oral care (saline swabs)
O	Outcome	Reduction in VAP incidence rates

A well-formed PICO question guides literature searches, study design, and outcome evaluation. For qualitative questions, the framework is modified to PICo (Population, Interest, Context).

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Boilers Mechanical Engineering QUESTION #2478

Question 4

A 'crank' in mechanism terminology is defined as:

A link that oscillates back and forth about a fixed pivot
A link that has complex (combined rotation and translation) motion
A link that makes a complete ($360^\circ$) revolution about a fixed grounded pivot✔️
The output link of any mechanism

Correct Answer Logic:

By definition: a crank makes a complete revolution about a fixed (grounded) pivot; a rocker oscillates back and forth about a fixed pivot; a coupler has complex motion and is not fixed to ground.

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Urdu QUESTION #4466

Question 5

لفظ مہتر کا مونث بتائیں۔ (Tell the feminine form of the word 'Mehtar')

مہترنی✔️
مہترانی
مہتری
ان میں کوئی نہیں۔

Correct Answer Logic:

The standard feminine form of 'Mehtar' (a sweeper or a title) in Urdu grammar is 'Mehtarni' (مہترنی).

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Islamic Studies QUESTION #636

Question 6

Who was the first to treat Hindus as "People of the Book" in his time?

Hazrat Usman Ghani
Muhammad bin Qasim✔️
Muhallab bin Abi Safra
None of these

Correct Answer Logic:

Muhammad bin Qasim granted them status similar to Dhimmis upon the conquest of Sindh.

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Accounting & Finance QUESTION #9665

Question 7

In accounting for Non-Profit Organizations, the Accumulated Fund (Capital Fund) is computed as:

Total subscriptions collected during the year
Total income minus total expenditure for the year
Assets minus Liabilities as on the opening date via Statement of Affairs✔️
Donations plus grants received during the year

Correct Answer Logic:

The opening balance of Capital Fund is computed through the Statement of Affairs on the opening date: Capital Fund = Total Assets – Total Liabilities. This mirrors the owner's equity calculation in business entities. Subsequent surpluses/deficits and capital receipts are then adjusted to arrive at the closing balance.

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English QUESTION #4458

Question 8

Which of the following sentences is INCORRECTLY written?

I was given a red-coloured tie by one of my friends
A red-coloured tie was give to me by one of my friends✔️
One of my friend gave me a red-coloured tie.
None of these.

Correct Answer Logic:

Option B is incorrect because 'give' should be the past participle 'given' in a passive voice construction.

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Nursing QUESTION #9231

Question 9

In a patient receiving mechanical ventilation, the ventilator alarms show high peak airway pressure with a normal plateau pressure. What is the MOST likely cause?

Pneumothorax
Pulmonary fibrosis
Endotracheal tube obstruction or bronchospasm✔️
ARDS with reduced lung compliance

Correct Answer Logic:

Correct Answer: C — ETT obstruction or bronchospasm

Differentiating high peak vs. high plateau pressure is critical:

Finding	Cause	Problem
High Peak + Normal Plateau	Increased airway resistance	ETT kinking/obstruction, secretions, bronchospasm, biting the tube
High Peak + High Plateau	Decreased lung compliance	ARDS, pneumothorax, pulmonary edema, auto-PEEP

Formula: \[\text{Compliance} = \frac{V_T}{P_{\text{plateau}} - \text{PEEP}}\]
Normal compliance $\approx 50 - 100 \text{ mL/cmH}_2\text{O}$

Nursing action for high peak, normal plateau:

Suction the ETT for secretions
Check for tube kinking or patient biting
Administer bronchodilator if bronchospasm suspected
Assess breath sounds bilaterally

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3226

Question 10

Which 'Vitamin' is produced in the skin upon exposure to UV light?

Vitamin A
Vitamin B
Vitamin D✔️
Vitamin K

Correct Answer Logic:

The skin synthesizes a precursor that the liver and kidney convert to active Vitamin D.

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Boilers Mechanical Engineering QUESTION #2486

Question 11

In the kinetostatics of a crank-slider mechanism, the force exerted by link $i$ on link $j$ is denoted $F_{ij}$. Newton's third law requires that:

$F_{ij} = F_{ji}$
$\mathbf{F}_{ij} = -\mathbf{F}_{ji}$ (equal magnitude, opposite direction)✔️
$|F_{ij}| = |F_{ji}|$ only when the links have equal mass
$F_{ij} + F_{ji} = m\mathbf{a}$

Correct Answer Logic:

By Newton's third law, the reaction forces between two links are equal in magnitude and opposite in direction: $\mathbf{F}_{ij}=-\mathbf{F}_{ji}$.

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Boilers Mechanical Engineering QUESTION #4047

Question 12

'Exfiltration' in a boiler furnace refers to:

Air leaking in
Flue gases leaking out of the setting✔️
Fuel leaking into the water
Water leaking into the fuel

Correct Answer Logic:

Usually happens in positive-pressure furnaces if the casing is not tight.

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Verbal Reasoning QUESTION #8164

Question 13

If $2x = 3y = 4z = 20$, what is the value of $12xyz$?

$16{,}000$
$8{,}000$
$4{,}000$✔️
$800$

Correct Answer Logic:

From $2x = 20$: $x = 10$.

From $3y = 20$: $y = \dfrac{20}{3}$.

From $4z = 20$: $z = 5$.

Now compute $12xyz$:

$12 \times 10 \times \dfrac{20}{3} \times 5 = 12 \times \dfrac{1000}{3} = \dfrac{12000}{3} = 4{,}000$

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3243

Question 14

Which organ is responsible for 'Detoxification' of drugs and harmful substances?

Heart
Lungs
Liver✔️
Spleen

Correct Answer Logic:

The liver contains enzymes (like Cytochrome P450) that metabolize drugs.

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General Knowledge QUESTION #8270

Question 15

Which feature in Microsoft PowerPoint allows a user to quickly create a simple presentation with predefined content?

Auto Content Wizard✔️
Transition Wizard
Chart Wizard
Animations

Correct Answer Logic:

Auto Content Wizard (or AutoContent Wizard) helps create a presentation quickly.

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Planning QUESTION #5012

Question 16

In regional input-output analysis, what does a location quotient greater than 1.5 typically suggest?

Local deficiency
Export-oriented sector✔️
Import dependency
Balanced economy

Correct Answer Logic:

LQ > 1.5 indicates the region has significantly higher concentration in that sector than the national average, suggesting specialization and likely export of goods/services to other regions. LQ = 1.0 indicates regional self-sufficiency; LQ < 1.0 suggests import dependency.

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Dairy Food Science and Technology QUESTION #5931

Question 17

Somatic cell count (SCC) in milk is used as an indicator of:

Antibiotic contamination
Fat content variation
Udder health — elevated SCC ($>200{,}000\text{–}400{,}000\;\text{cells/mL}$) indicates mastitis✔️
Bacterial contamination from the environment

Correct Answer Logic:

SCC measures white blood cells and mammary epithelial cells shed into milk. Normal SCC $< 200{,}000\;\text{cells/mL}$; SCC $> 400{,}000\;\text{cells/mL}$ (EU limit) indicates subclinical mastitis, which reduces milk quality (lower casein, higher plasmin, reduced shelf life).

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Boilers Mechanical Engineering QUESTION #4054

Question 18

'Fluidized Bed Combustion' (FBC) allows for:

Burning water
Burning low-grade fuels and reducing $SO_x/NO_x$ emissions✔️
Very high noise
Slow combustion

Correct Answer Logic:

Fuel is suspended in a hot bed of ash and sand, ensuring excellent mixing.

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English QUESTION #820

Question 19

Spot the error: 'The duties of the new secretary are (A)to answer the telephone, (B)to type letters, and (C)book (D)keeping.'

to answer the telephone
to type letters
book✔️
keeping

Correct Answer Logic:

The error is at (C). To maintain parallel structure with 'to answer' and 'to type', it should be 'to keep books' or 'bookkeeping' as one word. The list breaks parallelism at 'book keeping'.

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Urdu QUESTION #5124

Question 20

'بالائے طاق رکھنا' کا کیا مطلب ہے؟

نظرانداز کرنا✔️
ناراض ہونا
بہت خوش ہونا
ان میں سے کوئی نہیں

Correct Answer Logic:

بالائے طاق رکھنا محاورے کا مطلب ہے کسی بات یا چیز کو نظرانداز کر دینا، اہمیت نہ دینا۔

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